Free tools: Spain PVPC power prices & BOE gazette, Mexico RFC & SAT 69-B, Colombia RUES by NIT.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Look up a Colombian legal entity / ESAL in RUES by NIT: razón social, cámara de comercio, estado de matrícula, CIIU activity codes, registration and renewal dates. Legal entities only; natural-person fields are never returned. Source: Confecámaras RUES via datos.gov.co (CC BY-SA 4.0); not an official RUES/DIAN service. Free: 20 calls per client per UTC day, shared by the Colombia tools (co_company_status, co_company_lookup). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://co.redtapeapi.com/v1/company/{nit} ($0.005 USDC per successful call over x402 on Base, no account or API key).
Colombian NIT, digits with optional check digit
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http redtape https://mcp.redtapeapi.com/mcp
Look up a Colombian legal entity / ESAL in RUES by NIT: razón social, cámara de comercio, estado de matrícula, CIIU activity codes, registration and renewal dates. Legal entities only; natural-person fields are never returned. Source: Confecámaras RUES via datos.gov.co (CC BY-SA 4.0); not an official RUES/DIAN service. Free: 20 calls per client per UTC day, shared by the Colombia tools (co_company_status, co_company_lookup). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://co.redtapeapi.com/v1/company/{nit} ($0.005 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| nit* | string | Colombian NIT, digits with optional check digit |
{
"type": "object",
"required": [
"nit"
],
"properties": {
"nit": {
"type": "string",
"description": "Colombian NIT, digits with optional check digit"
}
}
}Short RUES matrícula status for a Colombian NIT: estado (ACTIVA, CANCELADA...), last renewal, vigencia and whether it is active. Legal entities / ESAL only; natural-person data is never returned. Source: Confecámaras RUES via datos.gov.co (CC BY-SA 4.0); not an official RUES/DIAN service. Free: 20 calls per client per UTC day, shared by the Colombia tools (co_company_status, co_company_lookup). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://co.redtapeapi.com/v1/company/{nit}/status ($0.003 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| nit* | string | Colombian NIT, digits with optional check digit, e.g. 900170781 or 900170781-7 |
{
"type": "object",
"required": [
"nit"
],
"properties": {
"nit": {
"type": "string",
"description": "Colombian NIT, digits with optional check digit, e.g. 900170781 or 900170781-7"
}
}
}Search the daily summary of Spain's Official State Gazette (BOE) by keywords and section: laws, royal decrees, orders, grants, tenders (section 5A), public-exam calls (2B). Returns titles, issuing body and official PDF/HTML links. No issue on Sundays. Source: BOE open data API; not an official AEBOE service. Free: 20 calls per client per UTC day, shared by the Spain tools (es_pvpc_prices, es_boe_search). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://es.redtapeapi.com/v1/es/boe/search ($0.002 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| q | string | Keywords, Spanish works best; accent-insensitive; all terms must match |
| date | string | YYYY-MM-DD or YYYYMMDD; default today (Madrid) |
| limit | integer | Max items (default 100) |
| sections | string | Comma-separated BOE section codes: 1,2B,3,4,5A,5B,5C |
{
"type": "object",
"properties": {
"q": {
"type": "string",
"description": "Keywords, Spanish works best; accent-insensitive; all terms must match"
},
"date": {
"type": "string",
"description": "YYYY-MM-DD or YYYYMMDD; default today (Madrid)"
},
"limit": {
"type": "integer",
"maximum": 500,
"minimum": 1,
"description": "Max items (default 100)"
},
"sections": {
"type": "string",
"description": "Comma-separated BOE section codes: 1,2B,3,4,5A,5B,5C"
}
}
}Spain's regulated household electricity price (PVPC, peninsula) for today or tomorrow, hour by hour in EUR/kWh, with the cheapest hours and the cheapest 2h/3h windows. Use to schedule appliances or EV charging, or to answer 'when is electricity cheapest in Spain today/tomorrow'. Tomorrow is published around 20:15-20:30 Madrid time. Data: Preciluz (CC-BY-4.0) from REE/ESIOS. Free: 20 calls per client per UTC day, shared by the Spain tools (es_pvpc_prices, es_boe_search). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://es.redtapeapi.com/v1/es/electricity/pvpc ($0.002 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| day | string | today (default) or tomorrow |
| cheapest | integer | How many cheapest hours to return (default 3) |
{
"type": "object",
"properties": {
"day": {
"enum": [
"today",
"tomorrow"
],
"type": "string",
"description": "today (default) or tomorrow"
},
"cheapest": {
"type": "integer",
"maximum": 12,
"minimum": 1,
"description": "How many cheapest hours to return (default 3)"
}
}
}Validate a Mexican RFC offline: format (moral 12 / física 13 characters), the YYMMDD date part, the homoclave check digit and the generic RFCs, plus a cross-check against the SAT 69-B list. Does not prove the RFC is registered with the SAT. Not an official SAT service. Free: 20 calls per client per UTC day, shared by the Mexico tools (mx_sat_69b_lookup, mx_rfc_validate). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://mx.redtapeapi.com/v1/mx/rfc/validate ($0.002 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| rfc* | string | Mexican RFC, 12 or 13 characters |
{
"type": "object",
"required": [
"rfc"
],
"properties": {
"rfc": {
"type": "string",
"description": "Mexican RFC, 12 or 13 characters"
}
}
}Look up one Mexican RFC in the SAT 69-B complete list (taxpayers presumed to invoice non-existent operations, EFOS). Returns whether it is listed and its situation (Presunto, Desvirtuado, Definitivo, Sentencia Favorable) with oficio numbers, publication dates, the data cut-off and the source citation. Lookup by RFC only; persona física names are never returned. Source: SAT open data (Libre Uso MX); not an official SAT service. Free: 20 calls per client per UTC day, shared by the Mexico tools (mx_sat_69b_lookup, mx_rfc_validate). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://mx.redtapeapi.com/v1/mx/sat/69b ($0.005 USDC per successful call over x402 on Base, no account or API key).
| Argument | Type | Description |
|---|---|---|
| rfc* | string | Mexican RFC, 12 (persona moral) or 13 (persona física) characters |
{
"type": "object",
"required": [
"rfc"
],
"properties": {
"rfc": {
"type": "string",
"description": "Mexican RFC, 12 (persona moral) or 13 (persona física) characters"
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 6, 2026.